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231222s2003 xx ||||| 00| ||eng c |
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|a (NLM)12772829
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Aziz, Julia J
|e verfasserin
|4 aut
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| 245 |
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|a MAROS
|b a decision support system for optimizing monitoring plans
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|c 2003
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
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|b nc
|2 rdacarrier
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|a Date Completed 29.08.2003
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|a Date Revised 07.11.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The Monitoring and Remediation Optimization System (MAROS), a decision-support software, was developed to assist in formulating cost-effective ground water long-term monitoring plans. MAROS optimizes an existing ground water monitoring program using both temporal and spatial data analyses to determine the general monitoring system category and the locations and frequency of sampling for future compliance monitoring at the site. The objective of the MAROS optimization is to minimize monitoring locations in the sampling network and reduce sampling frequency without significant loss of information, ensuring adequate future characterization of the contaminant plume. The interpretive trend analysis approach recommends the general monitoring system category for a site based on plume stability and site-specific hydrogeologic information. Plume stability is characterized using primary lines of evidence (i.e., Mann-Kendall analysis and linear regression analysis) based on concentration trends, and secondary lines of evidence based on modeling results and empirical data. The sampling optimization approach, consisting of a two-dimensional spatial sampling reduction method (Delaunay method) and a temporal sampling analysis method (Modified CES method), provides detailed sampling location and frequency results. The Delaunay method is designed to identify and eliminate redundant sampling locations without causing significant information loss in characterizing the plume. The Modified CES method determines the optimal sampling frequency for a sampling location based on the direction, magnitude, and uncertainty in its concentration trend. MAROS addresses a variety of ground water contaminants (fuels, solvents, and metals), allows import of various data formats, and is designed for continual modification of long-term monitoring plans as the plume or site conditions change over time
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Soil
|2 NLM
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| 650 |
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|a Water Pollutants
|2 NLM
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| 700 |
1 |
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|a Ling, Meng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rifai, Hanadi S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Newell, Charles J
|e verfasserin
|4 aut
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| 700 |
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|a Gonzales, James R
|e verfasserin
|4 aut
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|i Enthalten in
|t Ground water
|d 1998
|g 41(2003), 3 vom: 02. Mai, Seite 355-67
|w (DE-627)NLM098182528
|x 0017-467X
|7 nnns
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| 773 |
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|g volume:41
|g year:2003
|g number:3
|g day:02
|g month:05
|g pages:355-67
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